diff --git a/requirements.txt b/requirements.txt
index c99ffd8..3a77b72 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,7 @@
 langchain-openai>=0.3.0
-langchain>=1.2.10
+langchain-community>=0.3.0
 langgraph>=0.2.0
-duckduckgo-search
+duckduckgo-search>=6.0.0
+python-dotenv>=1.0.0
+requests>=2.31.0
+pydantic>=2.0.0
\ No newline at end of file